GOODWILL AND OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Goodwill [Roll Forward]
Beginning of year	$ 47,640	$ 35,371	$ 35,371
Acquired goodwill	0	12,269	0
Impairment	0	0	0
End of year	47,640	47,640	35,371
Other Intangible Assets [Abstract]
Aggregate intangible amortization expense	885	778	$ 974
Estimated amortization expense [Abstract]
2020	956
2021	882
2022	686
2023	612
2024	606
Thereafter	1,634
Total	5,376	5,268
Core Deposits [Member]
Other Intangible Assets [Abstract]
Gross carrying amount	8,702	7,708
Accumulated amortization	$ (3,326)	$ (2,440)